| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 times | 2874 |
80.8%
|
| 2 | 1 or 2 times | 392 |
11%
|
| 3 | 3 to 9 times | 157 |
4.4%
|
| 4 | 10 or more times | 132 |
3.7%
|
| Sysmiss | 150 |